The Hellenic Navy Hydrographic Service informs mariners that :

AIGAIO SEA.ANDROS ISLAND. GAYRIO PORT APPROACHING AKRA KASTRI POINT WHITE LIGHT.
37 52 31N - 024 43 37E
UNLIT.

NAVWARN 291/2023 CANCELLED
AIGAIO SEA.ANDROS ISLAND. GAYRIO PORT APPROACHING AKRA MARMARA POINT RED-GREEN LIGHT.
37 52 40Ν - 024 44 03Ε
UNLIT.

SOUTH AEGEAN SEA. KYTHNOS ISLAND.
LOCATED SEMISUNK WRECK
IN POSITION:
37 24 51N - 024 22 38E
IN DEPTH APPROXIMATELY 4 METERS
LENGTH 47,26 METERS AND WIDTH 8 METERS
DANGEROUS TO NAVIGATION.

CANCEL NAVWARN 1512/22
THRAKIKO SEA.AKRA KERAMOTI POINT TRANSPORT AND REACTIVATION OF
FLASHING RED-WHITE LIGHT:
40 51 23N - 024 41 06E
UNLIT.

SARONIKOS GULF.NAFSTATHMOS SALAMINAS.LIGHT BUOY(A5) UNLIT
IN POSITION:
37 58 14N - 023 32 24E
UNLIT

The Hellenic Navy Hydrographic Service, took part in the 2022 Counsil meeting of the International Hydrographic Organization, which was held in Monaco from 18 to 20 October.

SARONIKOS GULF BUOED FISH FARMING.
FOUR YELLOW FLASHING LIGHTBUOYS, 30 SECONDS ESTABLISHMENT
IN VICINITY:
37 46 31N - 023 10 41E
37 46 34N - 023 10 37E
37 46 30N - 023 10 32E
37 46 27N - 023 10 36E
BUOED FISH FARMING.